Finding the Fourth Proportional to 490,964.08, 677,519.80 and 284,241.18
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Solution
The fourth proportional to 490,964.08, 677,519.80 and 284,241.18 is: 392,246.68
Step by Step Solution
- Step 1: Write the proportion equation
490,964.08 : 677,519.80 = 284,241.18 : x - Step 2: Convert to fraction form
490,964.08/677,519.80 = 284,241.18/x - Step 3: Cross multiply
490,964.08x = 677,519.80 × 284,241.18 - Step 4: Simplify right side
490,964.08x = 192,579,029,474.47 - Step 5: Solve for x
x = 192,579,029,474.47/490,964.08 - Step 6: Final answer
x = 392,246.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.